kc3-lang/angle/src/common/system_utils_linux.cpp

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• Hash : d4281637
  Author :
  Date : 2023-11-15T13:17:36
  

  Add names to worker threads
  
  Bug: angleproject:8417
  Change-Id: I5841d194cb695387aa8fe48638cc025173152347
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5034797
  Reviewed-by: Yuxin Hu <yuxinhu@google.com>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/common/system_utils_linux.cpp

• //
  // Copyright 2015 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // system_utils_linux.cpp: Implementation of OS-specific functions for Linux
  
  #include "system_utils.h"
  
  #include <sys/stat.h>
  #include <sys/time.h>
  #include <sys/types.h>
  #include <unistd.h>
  
  #include <array>
  
  namespace angle
  {
  std::string GetExecutablePath()
  {
      // We cannot use lstat to get the size of /proc/self/exe as it always returns 0
      // so we just use a big buffer and hope the path fits in it.
      char path[4096];
  
      ssize_t result = readlink("/proc/self/exe", path, sizeof(path) - 1);
      if (result < 0 || static_cast<size_t>(result) >= sizeof(path) - 1)
      {
          return "";
      }
  
      path[result] = '\0';
      return path;
  }
  
  std::string GetExecutableDirectory()
  {
      std::string executablePath = GetExecutablePath();
      size_t lastPathSepLoc      = executablePath.find_last_of("/");
      return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
  }
  
  const char *GetSharedLibraryExtension()
  {
      return "so";
  }
  
  double GetCurrentSystemTime()
  {
      struct timespec currentTime;
      clock_gettime(CLOCK_MONOTONIC, &currentTime);
      return currentTime.tv_sec + currentTime.tv_nsec * 1e-9;
  }
  
  void SetCurrentThreadName(const char *name)
  {
      // There's a 15-character (16 including '\0') limit.  If the name is too big (and ERANGE is
      // returned), just ignore the name.
      pthread_setname_np(pthread_self(), name);
  }
  }  // namespace angle
  

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